August 2, 2013 When she learned about last year's Newtown school shootings, Liza Long immediately thought of her own son. He has been diagnosed with multiple disorders and struggles with violent outbursts. The pair hope their story will help others better understand the needs of mentally ill young people.
August 2, 2013 Paleontologists have been spending a lot of time studying the Earth of 50 million years ago, which was much hotter than it is today. They're hoping a glimpse into the planet's geologic past will show them how the planet will respond to all the carbon dioxide we're now putting into the air.